Effect of Q on the INS spectrum of coordinated small molecules in frameworks: ammonia in zeolite A

DOI

We request 3 days on MARI to investigate the effect of Q on the previously determined partial phonon density of states of a zeolite framework with a low concentration of coordinated ammonia. We previously determined that there arise 3 low energy regions in the INS spectrum (on TOSCA), but are susceptible to varying recoil effects. One mode is thought to recoil MUCH stronger than the others, due to almost free rotation about the coordinating axis, and thus the only option for determining if this is true is to study the spectra at variable Q on MARI. This investigation will help to explore the application (and more importantly optimization) of INS to systems containing coordinated but recoiling small-molecules, which in the case of ammonia is particularly relevant to the storage of such energy-vector gases. This is a tied proposal with one on IRIS to determine how 'free' this rotation is.

Identifier
DOI https://doi.org/10.5286/ISIS.E.24081807
Metadata Access https://icatisis.esc.rl.ac.uk/oaipmh/request?verb=GetRecord&metadataPrefix=oai_datacite&identifier=oai:icatisis.esc.rl.ac.uk:inv/24081807
Provenance
Creator Dr Asel Sartbaeva; Dr Andrew Seel
Publisher ISIS Neutron and Muon Source
Publication Year 2014
Rights CC-BY Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Contact isisdata(at)stfc.ac.uk
Representation
Resource Type Dataset
Discipline Photon- and Neutron Geosciences
Temporal Coverage Begin 2011-04-05T08:23:15Z
Temporal Coverage End 2011-04-08T09:55:31Z